PROCESS FOR SYNTHESIS OF 2-SUBSTITUTED PYRROLIDINES AND PIPERADINES
    5.
    发明申请
    PROCESS FOR SYNTHESIS OF 2-SUBSTITUTED PYRROLIDINES AND PIPERADINES 审中-公开
    合成2-取代的吡咯烷酮和哌嗪的方法

    公开(公告)号:US20120302756A1

    公开(公告)日:2012-11-29

    申请号:US13576427

    申请日:2011-02-17

    IPC分类号: C07D211/96 C07D203/24

    CPC分类号: C07D207/48 C07D211/96

    摘要: The present invention provides a highly efficient, versatile one-step process for asymmetric synthesis of either diastereomer of 2-substituted pyrrolidines from a single starting material with excellent yields and high diastereoselectivety. Also provided is a method for the asymmetric synthesis of both diastereomers of 2-substituted piperidines with good yields and excellent diastereoselectivety. Diasteroselectivity is controlled effectively by choice of reducing agent.

    摘要翻译: 本发明提供了一种高效,通用的一步法,用于从单一起始物质非对称合成2-取代吡咯烷的非对映异构体,具有优异的收率和高的非对映选择性。 还提供了用于非对称合成2-取代的哌啶的两种非对映异构体的方法,其具有良好的收率和优异的非对映选择性。 通过选择还原剂可有效控制剂量选择性。